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How to implement random sorting of arrays in php

Dec 21, 2018 pm 04:11 PM


php array is randomly sorted, we can use the PHP shuffle() function to achieve this. The PHP shuffle() function means randomly adjusting the order of elements or values ​​in an array. The shuffle() function returns FALSE on failure.

How to implement random sorting of arrays in php

Now we will introduce to you the PHP array element random sorting method based on specific code examples.

The code example is as follows:

First we create an array ranging from 1 to 10 through the range function.

<?php
$numbers = range(1, 10);
foreach ($numbers as $value){
    echo "$value" . "<br>";
    
}
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Then output all the values ​​​​through the foreach loop, as follows:

How to implement random sorting of arrays in php

Then we use shuffle## The #() function randomly shuffles array elements.

The complete code is as follows:


<?php
$numbers = range(1, 10);
shuffle($numbers);
foreach ($numbers as $value){
    echo "$value" . "<br>";
}
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Every time we refresh, we will randomly output values ​​in different orders.

How to implement random sorting of arrays in php

Note: The shuffle function can shuffle (randomly arrange the order of cells) an array. It uses a pseudo-random number generator and does not Suitable for cryptography situations.

This article is an introduction to the method of randomly sorting PHP array elements. It is very simple. I hope it will be helpful to friends in need!


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